SD1: Increase of set pulse width 40%, decrease of set pulse rate 45% and decrease of amplitude 10% over a 3 second period. Values return to original settings over the next 3 seconds. SD2: Increase of set pulse width 60%, decrease of set pulse rate 90% and decrease of amplitude 13% over a 6 second period. Values return to original settings over the next 6 seconds.Cycled Burst: 2.5 seconds on. 2.5 seconds off. Adjustable Rate and Width. Output Voltage: 49 Volts peak to peakIntensity (adj.): 0-98 mA Power Supply 4 AA Batteries Data was recorded across a 500 ohm resistance load.